/// textbox_startup()
/// @desc Creates variables for using textboxes.

textbox_lastfocus = -1
textbox_click = false
textbox_marker = 0
textbox_mouseover = -1
textbox_select_startline = 0
textbox_select_startpos = 0
textbox_select_endline = 0
textbox_select_endpos = 0
textbox_select_mouseline = 0
textbox_select_mousepos = 0
textbox_select_clickline = 0
textbox_select_clickpos = 0
textbox_isediting = false
textbox_isediting_respond = false
textbox_input = ""
